1 /*
2  * Copyright (C) 2020 Veloman Yunkan
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of the
7  * License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful, but
10  * is provided AS IS, WITHOUT ANY WARRANTY; without even the implied
11  * warranty of MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, and
12  * NON-INFRINGEMENT.  See the GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
17  *
18  */
19 
20 #include "buffer.h"
21 #include "bufferstreamer.h"
22 #include "endian_tools.h"
23 
24 #include "gtest/gtest.h"
25 
26 namespace
27 {
28 
29 using namespace zim;
30 
31 ////////////////////////////////////////////////////////////////////////////////
32 // BufferStreamer
33 ////////////////////////////////////////////////////////////////////////////////
34 
TEST(BufferStreamer,shouldJustWork)35 TEST(BufferStreamer, shouldJustWork)
36 {
37   char data[] = "abcdefghijklmnopqrstuvwxyz";
38   zim::toLittleEndian(uint32_t(1234), data);
39   zim::toLittleEndian(int64_t(-987654321), data+18);
40 
41   auto buffer = Buffer::makeBuffer(data, zsize_t(sizeof(data)));
42   zim::BufferStreamer bds(buffer, zsize_t(sizeof(data)));
43 
44   ASSERT_EQ(1234, bds.read<uint32_t>());
45 
46   ASSERT_EQ(data + 4, bds.current());
47   const auto blob1 = std::string(bds.current(), 4);
48   bds.skip(zsize_t(4));
49   ASSERT_EQ("efgh", blob1);
50 
51   ASSERT_EQ(data + 8, bds.current());
52   const auto blob2 = std::string(bds.current(), 10);
53   bds.skip(zsize_t(10));
54   ASSERT_EQ("ijklmnopqr", blob2);
55 
56   ASSERT_EQ(-987654321,   bds.read<int64_t>());
57 }
58 
59 } // unnamed namespace
60